Putter grip core



FIG. 1 is a perspective view of the putter grip core showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right elevation view thereof;

FIG. 7 is a left elevation view thereof; and,

FIG. 8 is a reduced perspective view thereof, shown in use.

The broken lines shown on the drawings are included for the purpose of illustrating unclaimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a putter grip core, as shown and described. 